Telefunken TF-SP4002 [19/49] General information

General information

The smart--

phone turns off

immediately after

turning on

• It is possible that the battery is very low. In this

case, the system automatically prevents the complete

discharge to avoid loss of information and stored data.

Before you make an attempt to switch the device on

again, charge it for at least 5 minutes and do not plug the

power adapter off from the wall outlet during operation.

The battery

discharges quickly

• You may use programs that require a large

expenditure of power. The largest power-draining

operation is video playback.

• Try to set screen brightness lower.

• Install the latest firmware.

• The battery is discharged quicker when operating at

low temperatures.

Troubleshooting guide

The following information will help you identify and eliminate common problems

of hardware and software of the device with which you may encounter. If you

experience the following symptoms you should first try to resolve them yourself,

using the given recommendations. In case the advice given will not help, contact

your support personnel or an authorized service center.

Problem Reason and solving

Power, start-up

The smartphone

cannot be turned

• Check the battery; if it is discharged, attach the power

adapter and wait for at least 5 minutes.

• Press and hold the power button on the device for at

least 5 seconds.

• If the battery is charged, connect the power adapter

and repeat the procedure again.

• If the unit does not turn on even after charging, please

contact support or an authorized service center.